13 results
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Liver Enzymes (LFTs ... Liver Injury ... pathology (low level ... Transaminitis #diagnosis #differential ... #hepatology
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Elevated Liver Function ... (Drug-induced liver ... injury) • Ischemic ... LouLectures #Liver ... Diagnosis #hepatology
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Injury - Differential ... Injuryliver ... Injury Differential ... #Injury #Differential ... Transaminitis #LFTs
Diagnosis and Management of Idiosyncratic Drug-induced Liver Injury (DILI)

DILI Types:
 • Intrinsic - predictable, dose dependent
Idiosyncratic Drug-induced Liver ... Chronic - ongoing ↑ LFTs ... or symptoms of liver ... Drug #induced #Liver ... #differential #
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Patterns of Liver ... #Patterns #Liver ... #Injury #hepatology ... #LFTs #transaminitis ... #differential #
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... Hepatocellular Level ... chemistry #diagnosis #differential ... #Hepatology #transaminitis ... #LFTs #RValue #
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
Drug Induced Liver ... Alcohol-related liver ... disorder (e.g. ascites ... #DrugInduced #Liver ... #Algorithm #hepatology
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Acute Fatty Liver ... hepatocytes → Liver ... malaise) → Acute liver ... develops (DIC, ascites ... Transfer to a liver
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Arterial Thrombosis - Differential ... Syndrome, Ischemic Liver ... Vasculitis • Injury ... Venous #Arterial #pathophysiology ... #hematology #differential
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
protein C and S Pathophysiology ... or venipuncture sites ... DIC • Severe Liver ... + Bleeding Treatment ... diagnosis #causes #treatment